oce (version 0.1.69)

sw.conductivity: Seawater conductivity

Description

Compute seawater conductivity, in $W m^{-1\circ}C^{-1}$

Usage

c <- sw.conductivity(S, t, p);

Arguments

S

salinity [PSU]

t

in-situ temperature [$^\circ$C]

p

pressure [$db$]

Value

• Conductivity of seawater in $W m^{-1\,\circ}C^{-1}$. To calculate thermal diffusivity in $m^2/s$, divide by the product of density and specific heat, as in the example.

Details

(To do: Fill in a summary of Caldwell's technique.) Caution. The results differ from Fofonoff's (1962) table 5 by 0.1 percent at 35PSU, and by under 1 percent for fresh water. (To do: Compare this with Caldwell's stated uncertainty.)

References

Caldwell, Douglas R., 1974. Thermal conductivity of seawater, Deep-sea Research, 21, 131-137.

Fofonoff, N. P., 1962. Physical properties of sea-water, The Sea, 1, 3-30.

See Also

N/A.

Examples

library(oce)
 cond <- sw.conductivity(10,35,100); # 0.618569
 diffusivity <- cond / (sw.rho(10,35,100) * sw.specific.heat(10,35,100))